The Fireless Cook Book / A Manual of the Construction and Use of Appliances for Cooking by Retained Heat, with 250 Recipes

by Margaret Johnes Mitchell

Oatmeal Gruel

• ¹⁄₂ cup rolled oats
• 3 cups boiling water
• 1 teaspoon salt
• Milk to taste

Put the oatmeal, salt and water into a cooker-pan, boil it five minutes and set it in a cooker for eight or ten hours over a cooker-pail of boiling water. Rub it through a strainer, dilute it with hot milk and pour it again through a strainer.